270 GEOLOGICAL SURVEY OF CANADA. 



pubescent, not tomentose, with wide, crisped hairs on the stem, sparsely 

 so on the upper side and very slightly below, except on the veins. Its 

 leaves are undulate, but not pinnatifid and the margin is thickly covered 

 with weak spines. Stem one flowered; flower purple, inner bracts an 

 inch and a quarter long with broad tips having scarious or ciliate 

 margins, these bracts are thickly covered with minute glands which 

 give a powdery appearance to them. In general appearance the two 

 forms have no resemblance whatever. 



(1258.) C. altissimus, Willd. var. discolor, Gray. 



Cirsium discolor, Spreng. Gray, Manual, page 273. Macoun's Cat., 

 Nos. 1060 and 1068. 



Dry fields and thickets not common. Bank of the St. Lawrence 

 Eiver three miles west of Prescott, Ont. (^Billings.) Meadows and 

 thickets at Belleville and Castleton, Ont. QMacoiin.) Vicinity of 

 Hamilton, Ont. {Logic.) Chippewa and Maiden, Ont. (Maclagan.) 

 English's "Woods, not uncommon, London, Ont. (Saunders.) Abundant 

 in many places along the Great Western Eailway, between Sarnia and 

 Hamilton. (Macoun.) 



(1259.) C. muticus, Pursh. 



Carduus.muticuis, Nutt. Hook. Fl I., 302. 



Cirdum muticum, Michx. Gray, Manual, page 273. Macoun's Cat., 

 No. 1061. 



Common in swamps. Newfoundland, Anticosti, Nova Scotia, New 

 Bruswick and westward to the Saskatchewan. (Macoun.) Specimens 

 from Anticosti and the Shickshock Mountains are different in habit 

 from the western ones and agree with the C. glutinosa of Bigelow. 



(1260.) C. Drummondii, Gray. 



Cardmu pumilus, Hook. Fl. I., 302. 



Oirgium Drummondii, Torr. & Gray Fl. II., 459. Macoun's Cat, No. 1064. 



Banks of the Saskatchewan and prairies of the Eockj- Mountains. 

 (Drummond.) From Fort Franklin, Lat. 66° to the Saskatchewan. 

 (Gray.) From the head of Lake "Winnipegoosis, westward throughout 

 the wooded and mixed prairie country to the Eocky Mountains and 

 Peace Eiver. (Macoun.) 



Var. acaulescens, Gray. 



CirHum acavle, var. Am^ricanum, Gray. Proc. Acad. Philad. 1863. 



Along the North Saskatchewan west of Fort Pitt; also on the prairie 

 30 miles south east of Battleford. (Macoun.) 



